Annotation, "This manual covers the horizontal auger boring method, providing the instructions for a safe, productive, and efficient installation of pipelines for road crossing. The manual is divided into five sections; the first section is an introduction that includes history,…
"This manual covers the horizontal auger boring method, providing the instructions for a safe, productive, and efficient installation of pipelines for road crossing. The manual is divided into five sections; the first section is an introduction that includes history, recent inno…
1. Groundwater issues in hard rock & geophysics -- 2. Introduction to the hydrogeology of hard rock -- 3. Introduction to geophysical investigations in hard rock -- 4. Planning of geophysical surveys -- 5. The magnetic method -- 6. The electrical resistivity method -- 7. The sel…